234443220 has 96 divisors (see below), whose sum is σ = 723413376. Its totient is φ = 56256000.

The previous prime is 234443219. The next prime is 234443239. The reversal of 234443220 is 22344432.

234443220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64902 + ... + 68418.

It is an arithmetic number, because the mean of its divisors is an integer number (7535556).

Almost surely, 2^234443220 is an apocalyptic number.

234443220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234443220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361706688).

234443220 is an abundant number, since it is smaller than the sum of its proper divisors (488970156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234443220 is a wasteful number, since it uses less digits than its factorization.

234443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 234443220 is about 15311.5387861573. The cubic root of 234443220 is about 616.6128332196.

Adding to 234443220 its reverse (22344432), we get a palindrome (256787652).

The spelling of 234443220 in words is "two hundred thirty-four million, four hundred forty-three thousand, two hundred twenty".